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  • Title: Resonance assignments of a VapC family toxin from Clostridium thermocellum.
    Author: Wang C, Xuan J, Cui Q, Feng Y.
    Journal: Biomol NMR Assign; 2016 Oct; 10(2):367-71. PubMed ID: 27386855.
    Abstract:
    Toxin-antitoxin (TA) systems widely exist in bacterial plasmids, phages, and chromosomes and play important roles in growth persistence and host-pathogen interaction. Virulence associated protein BC (VapBC) family TAs are the most abundant TAs in bacteria and many pathogens contain a large number of vapBC loci in the genome which have been extensively studied. Clostridium thermocellum, a cellulolytic anaerobic gram-positive bacterium with promising applications in biofuel production, also contains a VapBC TA in the genome. Despite the structures of several VapBC family TAs have been determined, the toxin and anti-toxin components of C. thermocellum VapBC have very low sequence identity to the proteins in PDB. Therefore, the structure and functional mechanism of this TA is largely unknown. Here we reported the NMR resonance assignments of the VapC toxin from C. thermocellum as a basis for further structural and functional studies.
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